package com.yang.pojo;

import com.alibaba.fastjson.annotation.JSONField;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

@Data
@NoArgsConstructor
public class LoginAdmin implements UserDetails {

    private Admin admin;

    private List<String> permissions;

    public LoginAdmin(Admin admin, List<String> permissions) {
        this.admin = admin;
        this.permissions = permissions;
    }

    //不会被序列化
    @JSONField(serialize = false)
    private List<SimpleGrantedAuthority> authorities;

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities!=null){
            return authorities;
        }
        //把permission中String类型的权限信息封装成SimleGrantedAuthority对象
        /*authorities = new ArrayList<>();
        for (String permission : permissions) {
            SimpleGrantedAuthority authority = new SimpleGrantedAuthority(permission);
            newList.add(authority);
        }*/
        authorities = permissions.stream()
                .map(SimpleGrantedAuthority::new)
                .collect(Collectors.toList());
        return authorities;
    }

    @Override
    public String getPassword() {
        return admin.getAdminpassword();
    }

    @Override
    public String getUsername() {
        return admin.getAdminname();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
